The team pioneered solar cells made using CQD, nanoscale materials that can readily be tuned to respond to specific wavelengths of the visible and invisible spectrum.
该小组率先使用胶体量子点制作太阳能电池，一种能够容易调整，对可见及不可见光谱中特定波长进行反应的纳米材料。
Wireless spectrum, while invisible, is not an infinite resource. In fact, it's pretty damn constricted, at least in crowded urban areas.
无线带宽，虽然看不见，但也不是一种无穷无尽的资源。事实上，无线带宽异常之小，至少在拥挤的城市中如此。
Wireless spectrum, while invisible, is not an infinite resource.
无线带宽，虽然看不见，但也不是一种无穷无尽的资源。
LIKE a deity, radio spectrum is invisible, omnipresent and commands awesome power.
无线电波像神明一样，无法看到而又无处不在，并拥有让世人敬畏的力量。
Many insects can perceive colours of the spectrum that are invisible to us.
许多昆虫能感觉到光谱中我们所看不见的颜色。
By invisible I mean it doesn't absorb in the electromagnetic spectrum.
不可见，我指的是它不吸收地磁波谱。
The fragments, preserved between sheets of glass, respond to the infra-red spectrum - ink invisible to the naked eye can be seen and photographed.
红外线谱把这些保存在玻璃板之间的残片上肉眼无法识别的墨迹显现出来，并拍成照片。
The fragments, preserved between sheets of glass, respond to the infra-red spectrum - ink invisible to the naked eye can be seen and photographed.
红外线谱把这些保存在玻璃板之间的残片上肉眼无法识别的墨迹显现出来，并拍成照片。
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